How much advice from the nuclear plant guy is relevant for bingo cards? Honest question, I can see "surprisingly more than you'd think" to "well, not much, really" being in the range of possible answers.
Sounds like a fun conference, but I'm cheap: $2000+ plus travel plus hotel, plus lost time is a lot of money. Conferences always seem like a much better deal if you get invited as a speaker. You get a super-power-bonus for your own networking, because people recognize you from you talk, you get a speaker badge, and so on, and plus, you don't have to pay so much (or anything if it goes well). I pretty much stopped going to conferences where I'm not speaking.